Shoe-sewing machine.



W. C. MEYER. SHOE SEWING MAIUNE. APPLICATION FILEDKAPR.15,1910.

1,048,71 9, Patented Deum, 1912.

. -tread surface of the sole,

i knife secured to the presser foot so as to.

UNITED STATES PATENT OFFICE.

WILLIAM C. MEYER, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO UNITED SHOEMACHINERY COMPANY, OF PATERSON,

JERSEY.

NEW JERSEY, A CORPORATION OF NEW SHOE-SE/VING MACHINE.

Specification of Letters Patent.

Patented Dee. 31,1912.

Application filed April 15, 1910. Serial No. 555,615.

To all erizo/m, it may concern.'

Be it known that I, filmini C. MEYER, a citizen of the United States,residing at Boston, in the county of Suffolk and State `ofMassachusetts, have invented certain Improvements in Shoe-SewingMachines, of which the following description, in connection with theaccompanying drawings, is a specification, like reference characters onthe drawings indicating like parts in the several figures.

The present invention relates to an improved channeling device foroutsole shoe sewing machines by which a' slot or groove of the desiredshape and depth may be cut. in the tread surface of the sole in advanceof the needle to receive the stitches.

The invention is designed primarily to form a slot o-r channel in thesol-e but it is to be understood that certain features of the inventionmay be embodied in a device or devices which remove a strip of leatherfrom the sole to form a groove, and where in the claims'the term channelis used, it is to be understood that this term, unless otherwisequalified, designates any form of groove, incision or channel which mayhe cut in the sole to receive the stitches.

The objectsof the present invention are to provide, in an outsole shoesewing machine, a channeling device which is simple and compact inconstruction, w'hich is efficient in operation, which is durable andfree from liability to get out of order and which can-be 'adjustedvertically to'cut a 'channel of the desired depth, to provide an outsoleshoe sewing machine with a channeling vdevice which can be adjustedverticall and which is securely held from lateral displacement, and toprovide a sole sewing machine with a channeling device which will notinterfere with the vproper manipulation of the shoe by the operator butwhich will tend to move the work into the machine into the properposition to receive the stitches.

With the above objects in view a feature of the present inventioncontemplates the provision in an outsole shoe sewing machine providedwith a presser footl engaging the of a channeling be capable of`vertical adjustment yand in a position to out a channel inthe treadsurface of the sole in advance of the needle to receive the stitches.

To hold the channeling knife securely against lateral displacement afeature ofy the invention contemplates mounting the channeling knife ina vertical guideway which guides lthe knife during its adjust ment andwhich holdsv it firmly against lateral. displacement. To adjust theknife vertically, an adjustable eccentric is preferably secured to the.presser foot and connected to the knife. Thisconstruction affords asimple and efficient means by which the knife can be easily and quicklyadjusted with accuracy to cut a channel of the desired depth andconstitutes a feature of the invention which is considered of valuealthough it is to be understood that broadly considered any suitablemeans may be provided for permitting or causing a vertical adjustment ofthe knife on the presser foot. To cause the channeling knife to forcethe work inwardly into the correct position to receive the stitches, afeature of the invention consists in the provision of a channeling knifethe outer lateral surface of which extends in the direction of feed andthe inner lateral' surface of which extends at an angle to the directionof feed.

The several features of the present invention will be clearly understoodfrom an inspection of the accompanying drawing in which- I Figure 1 is aview in side elevation of a portion of a well known form of outsole shoesewing machine with the-preferred form of the present invention appliedthereto. Fig. 2 1s a view in front elevation of the parts illustrated inFig. 1. Fig. 3 is a view in side elevation on un enlarged scale of thepresser foot and channeling knife. Fig. 4 is a detail sectional Viewtaken on the line 4-4, Fig. 3', and Fig. 5 is a bot- 4tom plan'view ofthe presser foot and chan' neling knife.

As illustrated in the drawing, the invention is shown as applied to theoutsole shoe sewing machine disclosed in-the patent to French '& Meyer,No. 473,870, 1 indi` eating the curved hook needle, 2 the needle guide,3 the awl, 4 the work support and ,5 the presser foot. shoe is indicatedin dottedlines witht-he outsole and welt between thel presser.' footland work support, theoutsole of the shoe being indicated at 6 .and thewelt at 7. 'As indicated in the drawing the work support engages thewelt of the shoe while*` the In Fig. 1 a portion of aat,v

neling knife is made hexagonal in form so f in 15 tends to force thepresser foot'is arranged. to bear against the tread surface jof thesole. p

In the illustrated embodiment ofthe in-v vention the channeling knife,indicated at 8, consists of al flat plate or bar secured at its upperend to the presser fdot and `provided at its lower end with a cuttingblade 9 projecting below the lower surface `of the foot. Above the blade9 the channeling knife is provided with a straight sided'pon tion 10which is litted to slide in a vertical guideway formed in the presserfoot, which guide'way holds the knife rigidly against outward lateral.displacement. The upper l portion of the channeling knife tits snugiy`against the side of the upper portion of the presser foot, as is clearlyshown in- Figs. 2 and 3 and is secured to the presser foot by a clampingdisk 11 and screw 12. To en-V able the knife to' be readily adjustedaccurately so as to cut a channel of the desired depth, the disk 11 isprovided with a cylindrical portion 13 arranged eccentric to the axis ofthe screw 12 and this eccentric portion is fitted into a correspondinghole in the upper end of the channeling knife. The portion of the diskll overlapping the chaning, 1n combination, stitch formlng devicesincluding a curved hook needle, a Work sup'- port arranged to engage thewelt of ashoe, a presser foot arranged to engage the tread surface ofthe sole on both sides of the line of-the seam, land prov-idedwith aguideway and a channeling knife mounted on the presser foot so as to becapable of vertical adjustment in saidguideway and arranged to cut achannel in the tread surface of the sole in advance of the needle toreceive the stitches.

2. Ain outsole shoe sewing machine, having, incombination, stitchforming' devices including` a curved hook needle, a work sup.- `portarranged to'engage the welt of a shoe, a presser foot arranged to engagethe tread surface of the sole on both sides of the line ,of the seam, achanneling knife mounted to slide vertically in' a guideway in thepresser foot and held against lateral displacement by said guide, andmeans for securing the channeling knife to4 the-presser foot, said knifebeing located in advance of the needle in position to cut a channel inthe tread surface of the sole to receive the stitches.

3, An outsole shoe sewing machine, having, in combination, stitchforming devices including a curved' hook needle, a work supe 'portarranged to engage the welt of a shoe, al presser foot arranged toengage the tread 'surface of the sole on both sides of the line oftheseamf the presser -in position toA cut a channel in the tread surfaceoffthe sole .to receive the line of stitches, 'and aneccentricadjustably secured to the presser'foot and engaging the.channeling knifefor adjusting the channeling knife vertically.. 4. An outsole shoesewing machine, having, in combination, stitch forming devices includinga needle, a work support arranged thatthe disk. may be readily turnedabout the axis of the screw 12 when the screw is loosened. Tig'hteningof the screw 12 clamps the channeling knife between the overlapping-portion of the disk 11 andthe presser foot and securely holds the knifein adjusted position.

The knife blade 9 is located in advance` of the needle in positionto cuta channel in the tread surface of the sole to receive the line ofstitches as will be apparent from an inspection of Figs. l and 2,Toobviate the tendency of the knife. to force the shoe outwardly so asto bring thelin'e of stitches too close to the edge of the shoe sole andlto assist the operator in keeping the shoe the proper position withrelation to engage the welt of a shoe, a presser foot to the needle andother Vstitchl formi engaging the tread surface of the sole, anddevices, the outer lateral surface of the a channeling knife mounted onthelpresser foot in advance 'of the needle in position to out a channelin the tread surface of the solefto receive the stitches, said knifehaving its outer lateral surface extending in the line of feed and itsinner lateral surface eX- tending at an'angle to the directionof feedwhereby the knife tends to force the sole inwardly over the worksupport.`

Intestimony whereof I have signed my name to this specication in thepresence of two subscribing witnesses.

i/VILLIAM MEYER.

knife 'blade 1s arranged a to extend inA the direction of the feed asindicated at let, Fig. 5, and the inner lateral surface ofthe knifeblade is arranged to extend at an angle to the direction of feed asindicated at 15. iVith the lateral surfaces of the knife blade arrangedin this manner the surface shoeinwardly and keep thcsole edge in therequired position to receive the stitches.

The nature and scope of the present invention having been indicated andthe preferred embodiment of the invention having been 'specificallydescribed, what is claimed 1s:-` f' lVitnesses:

FREDERICK L. EDMANDS, JAMES R. Honunn.

I .t i Copies of this patentv may be obtained 4for five cents each, byaddressing the "Commissioner of Patents,

wasington, n. o.

"L .1. An outsole shoe sewing macli1ne,.hav

a channeling knife mounted ony foot in advance of the needle'

